MechWarrior Online is a free-to-play MMO mech combat game in the popular MechWarrior franchise. Set in the future, players immerse into a world ravaged by massive interstellar war, join one of six rivalling factions and challenge other players in mech battles by commanding a powerful BattleMech. The BattleMechs can be customized to suit the battlefield role: system upgrades, weapon exchange and armor modications with with endless options. BattleMechs are categorized in six weight classes, with each having different attributes, such as weight, firepower, armor, heat efficiency and speed. MechWarrior Online lets players pit against each other in first person perspective, head-to-head online alone or with 8vs8 team Conquest and Assault modes. Players can create Mercenary Corps, invite friends and battle other player-made Merc Corps.